docs: fix broken link in README (#668)

Author: wuchangming

README.md

@@ -5,10 +5,7 @@
 [![npm version](https://badge.fury.io/js/routing-controllers.svg)](https://badge.fury.io/js/routing-controllers)
 [![Dependency Status](https://david-dm.org/typestack/routing-controllers.svg)](https://david-dm.org/typestack/routing-controllers)
 
-<center>
-<span>English</span> | 
-[中文](./docs/lang/chinese/README.md)
-</center>
+English | [中文](./docs/lang/chinese/README.md)
 
 Allows to create controller classes with methods as actions that handle requests.
 You can use routing-controllers with [express.js][1] or [koa.js][2].